CN211648115U - Foam drainage simulation experiment device - Google Patents
Foam drainage simulation experiment device Download PDFInfo
- Publication number
- CN211648115U CN211648115U CN201922034068.2U CN201922034068U CN211648115U CN 211648115 U CN211648115 U CN 211648115U CN 201922034068 U CN201922034068 U CN 201922034068U CN 211648115 U CN211648115 U CN 211648115U
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- pipe
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- defoaming
- communicated
- inlet
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- 239000006260 foam Substances 0.000 title claims abstract description 37
- 238000004088 simulation Methods 0.000 title claims abstract description 24
- 239000007788 liquid Substances 0.000 claims abstract description 122
- 239000004088 foaming agent Substances 0.000 claims abstract description 37
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 25
- 238000002347 injection Methods 0.000 claims abstract description 25
- 239000007924 injection Substances 0.000 claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000006185 dispersion Substances 0.000 claims abstract description 23
- 238000004891 communication Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000005187 foaming Methods 0.000 abstract description 6
- 238000007599 discharging Methods 0.000 abstract 1
- 210000004276 hyalin Anatomy 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 45
- 238000000034 method Methods 0.000 description 9
- 239000004604 Blowing Agent Substances 0.000 description 6
- 239000012530 fluid Substances 0.000 description 5
- 239000006265 aqueous foam Substances 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model discloses a foam drainage simulation experiment device, among the device, take liquid pipe to include: an inner transparent tube and an outer transparent tube are formed in the annular space, scales are arranged on the outer wall of the outer transparent tube, and holes are formed in the lower wall of the inner transparent tube. The bottom of carrying the liquid pipe has air inlet and inlet, and the top has the foaming agent hole that advances that manages the tube orifice and communicate with the annular space, and the inner chamber lower part of inlayer hyaline tube is equipped with the dispersion layer, and it is located the trompil top. The gas source, the gas flow pump and the gas inlet are communicated in sequence; the water source, the liquid flow pump and the liquid inlet are communicated in sequence; the foaming agent injection pump is communicated with the foaming agent inlet hole; the front end of the liquid discharge pipe extends into the upper part of the dispersion layer through the pipe hole; the defoaming pipe is a transparent pipe, the front end of the defoaming pipe is communicated with the rear end of the liquid discharge pipe, and the rear end of the defoaming pipe extends into the liquid collector with scales; the defoaming agent injection pump is communicated with the front part of the defoaming pipe. The device can simulate the dynamic production process of gas well foam discharging, and evaluate the foaming and liquid carrying capacity of the foaming agent and the defoaming capacity of the defoaming agent.
Description
Technical Field
The utility model relates to an oil gas exploitation field, in particular to foam drainage simulation experiment device.
Background
The foam water-draining gas-producing process is characterized by that the foaming agent is added into the well, after the downhole accumulated water is contacted with the foaming agent, the stirring of natural gas flow can be used to produce lots of low-density aqueous foam, and said foam can be carried with the gas flow from downhole to ground so as to attain the goal of removing downhole accumulated water. Meanwhile, after the natural gas carrying the bubble flow rises to the ground, the normal production is influenced in order to prevent the bubbles from being brought into ground process equipment. An anti-foaming agent is injected into the pipeline to remove foam before the fluid in the pipeline enters the equipment.
Prior to field use, experimental simulations are usually performed on the foam drainage gas production processes using them in order to accurately know the foaming capacity of the foaming agent and the defoaming capacity of the defoaming agent. Therefore, it is necessary to provide an experimental device capable of accurately simulating the dynamic process of foam drainage gas production on site.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a foam drainage simulation experiment device can solve above-mentioned technical problem.
Specifically, the method comprises the following technical scheme:
a foam drainage simulation experiment device, the device comprising: a liquid carrying pipe, a gas source, a gas flow pump, a water source, a liquid flow pump, a foaming agent injection pump, a defoaming agent injection pump, a liquid discharge pipe, a defoaming pipe and a liquid collector;
the liquid carrying tube comprises: the outer wall of the outer layer transparent tube is provided with scales, and the lower wall of the inner layer transparent tube is provided with an opening;
the bottom of the liquid carrying pipe is provided with an air inlet and a liquid inlet, the top of the liquid carrying pipe is provided with a pipe hole and a foaming agent inlet hole communicated with the annular space, the lower part of the inner cavity of the inner layer transparent pipe is provided with a dispersion layer, and the dispersion layer is positioned above the open hole;
the gas source, the gas flow pump and the gas inlet are communicated in sequence;
the water source, the liquid flow pump and the liquid inlet are communicated in sequence;
the foamer injection pump being in communication with the foamer inlet bore;
the front end of the liquid discharge pipe extends into the upper part of the dispersion layer through the pipe hole;
the defoaming pipe is a transparent pipe, the front end of the defoaming pipe is communicated with the rear end of the liquid discharge pipe, and the rear end of the defoaming pipe extends into the liquid collector with scales;
the defoaming agent injection pump is communicated with the front part of the defoaming pipe.
In one possible implementation, the dispersion layer is prepared by using a sand core plate.
In a possible implementation manner, an air inlet pipe is arranged at the air inlet, and the gas flow pump is communicated with the air inlet pipe through a pipeline.
In a possible implementation manner, a first pressure gauge is arranged on a pipeline between the air inlet pipe and the gas flow pump.
In a possible implementation, a first valve is arranged on the intake pipe.
In one possible implementation, a liquid inlet pipe is arranged at the liquid inlet, and the liquid flow pump is communicated with the liquid inlet pipe through a pipeline.
In a possible implementation manner, a second pressure gauge is arranged on a pipeline between the liquid inlet pipe and the liquid flow pump.
In a possible implementation manner, a second valve is arranged on the liquid inlet pipe.
In one possible implementation, a blowing agent inlet pipe is provided at the blowing agent inlet hole, and the blowing agent injection pump is in communication with the blowing agent inlet pipe through a line.
In one possible implementation, the drain pipe comprises a first vertical section, a horizontal section and a second vertical section which are communicated in sequence;
the first vertical section extends into the liquid carrying pipe;
the horizontal segment with the vertical section of second is located carry the liquid outside of tubes, just the vertical section of second with defoaming pipe vertical connection switches on.
The embodiment of the utility model provides a technical scheme's beneficial effect includes at least:
the embodiment of the utility model provides a foam drainage simulation experiment device, when using, pump into a certain amount of gas to taking in the liquid pipe (promptly, in the inlayer transparent pipe) through the air supply, and simultaneously, pump into a certain amount of liquid to taking in the liquid pipe through the water source, both mix below the disperse layer, meanwhile, pump injection foaming agent in the annular space of injecting pump to inlayer transparent pipe and outer transparent pipe through the foaming agent, the foaming agent gets into gas-liquid mixture below the disperse layer, the three realizes the homodisperse back through the disperse layer, with the help of the stirring of air current, the foaming agent can be with water intensive mixing, reduce liquid surface tension, produce a large amount of aqueous foams. The water-containing foam is carried out of the liquid carrying pipe through the liquid discharge pipe and enters the defoaming pipe. The defoaming agent is injected into the front part of the defoaming pipe through the defoaming agent injection pump to defoam the water-containing foam, so that the accurate simulation of the dynamic process of foam drainage and gas production is realized.
Since the liquid carrying tube is transparent and has scales, the foaming capacity of the foaming agent can be evaluated by observing the height of the foam above the internal dispersion layer. The liquid carrying capacity of the blowing agent can be evaluated by determining the amount of gas and water entering the interior of the liquid carrying tube at a given time by means of the gas flow pump and the liquid flow pump, and the amount of water collected at a given time by means of the liquid collector. Since the defoaming tube is transparent, the defoaming capability of the defoaming agent can be evaluated by observing the defoaming condition of the aqueous foam in the defoaming tube. It is thus clear that utilize the embodiment of the utility model provides an experimental apparatus, can simulate the gas well bubble reliably and arrange the dynamic process of production, effectively evaluate the foaming of foaming agent and take the liquid ability simultaneously to and the defoaming ability of defoaming agent.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a foam drainage simulation experiment device provided by the embodiment of the utility model.
The reference numerals denote:
1-liquid carrying tube, 101-inner layer transparent tube, 102-outer layer transparent tube, 103-hole, 104-dispersion layer,
2-gas source, 3-gas flow pump, 4-water source, 5-liquid flow pump, 6-foaming agent injection pump,
7-a defoaming agent injection pump, 8-a liquid discharge pipe, 9-a defoaming pipe, 10-a liquid collector,
11-a first pressure gauge, 12-a first valve, 13-a second pressure gauge, 14-a second valve,
15-third valve, 16-fourth valve.
Detailed Description
In order to make the technical solutions and advantages of the present invention clearer, the following will describe the embodiments of the present invention in further detail with reference to the accompanying drawings.
It should be noted that, in the embodiments of the present invention, the terms "front" and "rear" are used in a direction that is set according to the flowing direction of the fluid, and the flowing direction of the fluid may be considered as from front to rear.
The embodiment of the utility model provides a foam drainage simulation experiment device, as shown in figure 1, the device includes: the device comprises a liquid carrying pipe 1, a gas source 2, a gas flow pump 3, a water source 4, a liquid flow pump 5, a foaming agent injection pump 6, a defoaming agent injection pump 7, a liquid discharge pipe 8, a defoaming pipe 9 and a liquid collector 10.
Wherein, carry liquid pipe 1 to include: an inner transparent tube 101 and an outer transparent tube 102 are formed in the annular space, scales are arranged on the outer wall of the outer transparent tube 102, and an opening 103 is arranged on the lower wall of the inner transparent tube 101. The bottom of the liquid carrying pipe 1 is provided with an air inlet and a liquid inlet, the top of the liquid carrying pipe is provided with a pipe hole and a foaming agent inlet hole communicated with the annular space, the lower part of the inner cavity of the inner transparent pipe 101 is provided with a dispersion layer 104, and the dispersion layer 104 is positioned above the open hole 103.
The gas source 2, the gas flow pump 3 and the gas inlet are communicated in sequence; the water source 4, the liquid flow pump 5 and the liquid inlet are communicated in sequence; the foaming agent injection pump 6 is communicated with the foaming agent inlet hole; the front end of the liquid discharge pipe 8 extends into the upper part of the dispersion layer 104 through the pipe hole; the defoaming pipe 9 is a transparent pipe, the front end of the defoaming pipe is communicated with the rear end of the liquid discharge pipe 8, and the rear end of the defoaming pipe extends into the liquid collector 10 with scales; the defoaming agent injection pump 7 communicates with the front of the defoaming pipe 9.
The embodiment of the utility model provides a foam drainage simulation experiment device's theory of operation as follows:
a certain amount of gas is pumped into the liquid carrying pipe 1 (namely, the inner transparent pipe 101) through the gas source 2, meanwhile, a certain amount of liquid is pumped into the liquid carrying pipe 1 through the water source 4, the two are mixed below the dispersion layer 104, meanwhile, the foaming agent is pumped into the annular space of the inner transparent pipe 101 and the outer transparent pipe 102 through the foaming agent injection pump 6, the foaming agent enters a gas-liquid mixture below the dispersion layer 104, after the three are uniformly dispersed through the dispersion layer 104, the foaming agent can be fully mixed with water by means of the stirring effect of air flow, the liquid surface tension is reduced, and a large amount of water-containing foam is generated. The water-containing foam is carried out of the liquid carrying pipe 1 through the liquid discharge pipe 8 and enters the defoaming pipe 9. The defoaming agent is injected into the front part of the defoaming pipe 9 through the defoaming agent injection pump 7 to defoam the water-containing foam, so that the accurate simulation of the dynamic process of foam drainage gas production is realized.
Since the liquid carrying tube 1 is transparent and has a scale, the foaming ability of the foaming agent can be evaluated by observing the height of the foam above the internal dispersion layer 104. The liquid carrying capacity of the frother can be evaluated by determining the amount of gas and water entering the interior of the liquid carrying tube 1 at a certain time by means of the gas flow pump 3 and the liquid flow pump 5 and the amount of water collected at a certain time by means of the liquid collector 10. Since the defoaming tube 9 is transparent, the defoaming capability of the defoaming agent can be evaluated by observing the defoaming condition of the aqueous foam inside. It is thus clear that utilize the embodiment of the utility model provides an experimental apparatus, can simulate the gas well bubble reliably and arrange the dynamic process of production, effectively evaluate the foaming of foaming agent and take the liquid ability simultaneously to and the defoaming ability of defoaming agent.
It will be appreciated that the gas flow pump 3 and the liquid flow pump 5 have not only the function of pumping fluid but also the function of measuring the flow of fluid, i.e. the flow can be measured at the same time as pumping. By way of example, the gas flow pump 3 may comprise: a delivery pump and an online flow meter connected with the delivery pump.
The embodiment of the utility model provides a to take liquid pipe 1 to set to including inlayer transparent pipe 101 and outer transparent pipe 102, have the annular space between the two to the pit shaft of simulation gas well (i.e. oil pipe and sleeve pipe), it can be taken inside liquid pipe 1 by annular space entering to ensure the foaming agent simultaneously. As shown in fig. 1, the bottom and top of the liquid carrying tube 1 are closed except for the gas inlet, liquid inlet, tube holes and blowing agent inlet holes communicating with the annulus.
Considering that there is effusion in the bottom of the well bore in the field, in the embodiment of the present invention, the dispersing layer 104 is located at the lower part of the liquid carrying tube 1, and the lower part thereof has a certain space for containing the gas-liquid mixture, so as to simulate the effusion at the bottom of the well bore.
In order to facilitate the arrangement of the dispersion layer 104 inside the liquid carrying tube 1, the liquid carrying tube 1 can be divided into an upper section and a lower section, wherein after the dispersion layer 104 is arranged in the lower section, the two sections are connected through a frosted surface.
The dispersion layer 104 is used to uniformly disperse the gas and foaming agent, and a sand core plate may be used to prepare the dispersion layer 104.
In order to achieve a reliable connection of the gas flow pump 3 to the gas inlet, a gas inlet pipe may be provided at the gas inlet, and the gas flow pump 3 is communicated with the gas inlet pipe through a pipeline. Further, a first pressure gauge 11 is arranged on a pipeline between the air inlet pipe and the gas flow pump 3, and pressure is measured through the pressure gauge, so that different shaft pressure working conditions can be simulated conveniently.
In order to facilitate the control of whether the gas enters the liquid carrying tube 1 and the flow entering the liquid carrying tube 1, a first valve 12 may be disposed on the gas inlet tube.
In order to realize reliable connection between the liquid flow pump 5 and the liquid inlet, a liquid inlet pipe may be provided at the liquid inlet, and the liquid flow pump 5 is communicated with the liquid inlet pipe through a pipeline. Further, a second pressure gauge 13 is arranged on a pipeline between the liquid inlet pipe and the liquid flow pump 5, and pressure is measured through the pressure gauge, so that different shaft pressure working conditions can be simulated conveniently.
In order to conveniently control whether water enters the liquid carrying pipe 1 and the flow rate of the liquid carrying pipe 1, a second valve 14 is arranged on the liquid inlet pipe.
In order to achieve a reliable connection of the foamer injection pump 6 to the foamer inlet port, a foamer inlet pipe may be provided at the foamer inlet port, the foamer injection pump 6 being in communication with the foamer inlet pipe via a line. In order to facilitate the control of whether the foaming agent enters the liquid carrying tube 1 and the flow rate entering the liquid carrying tube 1, a third valve 15 may be arranged on the foaming agent inlet tube.
In order to accurately simulate the foam drainage process in a gas well, as shown in fig. 1, the drainage pipe 8 may include a first vertical section, a horizontal section, and a second vertical section, which are sequentially connected. Wherein, the first vertical section extends into the liquid carrying pipe 1; horizontal segment and the vertical section of second are located and take liquid pipe 1 outside, and the vertical section of second is connected and is switched on with defoaming pipe 9 is perpendicular.
The first vertical section can provide an upward space for the water-containing foam, and is favorable for evaluating the liquid carrying capacity of the foaming agent. The vertical section of second is used for being connected with defoaming pipe 9, makes defoaming pipe 9 be in the horizontality, does benefit to the defoaming ability of observing the defoaming agent.
Wherein, the front part of defoaming pipe 9 is provided with into defoaming agent pipe, and defoaming agent injection pump 7 passes through the pipeline and advances defoaming agent pipe intercommunication. In order to conveniently control whether the defoaming agent enters the defoaming pipe 9 and the flow rate entering the defoaming pipe 9, a fourth valve 16 can be arranged on the defoaming agent inlet pipe.
The above description is only for facilitating the understanding of the technical solutions of the present invention by those skilled in the art, and is not intended to limit the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A foam drainage simulation experiment device, characterized in that, the device includes: a liquid carrying pipe, a gas source, a gas flow pump, a water source, a liquid flow pump, a foaming agent injection pump, a defoaming agent injection pump, a liquid discharge pipe, a defoaming pipe and a liquid collector;
the liquid carrying tube comprises: the outer wall of the outer layer transparent tube is provided with scales, and the lower wall of the inner layer transparent tube is provided with an opening;
the bottom of the liquid carrying pipe is provided with an air inlet and a liquid inlet, the top of the liquid carrying pipe is provided with a pipe hole and a foaming agent inlet hole communicated with the annular space, the lower part of the inner cavity of the inner layer transparent pipe is provided with a dispersion layer, and the dispersion layer is positioned above the open hole;
the gas source, the gas flow pump and the gas inlet are communicated in sequence;
the water source, the liquid flow pump and the liquid inlet are communicated in sequence;
the foamer injection pump being in communication with the foamer inlet bore;
the front end of the liquid discharge pipe extends into the upper part of the dispersion layer through the pipe hole;
the defoaming pipe is a transparent pipe, the front end of the defoaming pipe is communicated with the rear end of the liquid discharge pipe, and the rear end of the defoaming pipe extends into the liquid collector with scales;
the defoaming agent injection pump is communicated with the front part of the defoaming pipe.
2. The foam drainage simulation experiment device according to claim 1, wherein the dispersion layer is prepared by using a sand core plate.
3. The foam drainage simulation experiment device according to claim 1, wherein an air inlet pipe is arranged at the air inlet, and the gas flow pump is communicated with the air inlet pipe through a pipeline.
4. The foam drainage simulation experiment device according to claim 3, wherein a first pressure gauge is arranged on a pipeline between the air inlet pipe and the gas flow pump.
5. The foam drainage simulation experiment device according to claim 4, wherein a first valve is arranged on the air inlet pipe.
6. The foam drainage simulation experiment device according to claim 1, wherein a liquid inlet pipe is arranged at the liquid inlet, and the liquid flow pump is communicated with the liquid inlet pipe through a pipeline.
7. The foam drainage simulation experiment device according to claim 6, wherein a second pressure gauge is arranged on a pipeline between the liquid inlet pipe and the liquid flow pump.
8. The foam drainage simulation experiment device according to claim 7, wherein a second valve is arranged on the liquid inlet pipe.
9. The foam drainage simulation experiment apparatus as claimed in claim 1, wherein a foaming agent inlet pipe is provided at the foaming agent inlet hole, and the foaming agent injection pump is connected to the foaming agent inlet pipe through a pipeline.
10. The foam drainage simulation experiment device according to claim 1, wherein the drainage pipe comprises a first vertical section, a horizontal section and a second vertical section which are communicated in sequence;
the first vertical section extends into the liquid carrying pipe;
the horizontal segment with the vertical section of second is located carry the liquid outside of tubes, just the vertical section of second with defoaming pipe vertical connection switches on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922034068.2U CN211648115U (en) | 2019-11-21 | 2019-11-21 | Foam drainage simulation experiment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922034068.2U CN211648115U (en) | 2019-11-21 | 2019-11-21 | Foam drainage simulation experiment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211648115U true CN211648115U (en) | 2020-10-09 |
Family
ID=72692878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922034068.2U Active CN211648115U (en) | 2019-11-21 | 2019-11-21 | Foam drainage simulation experiment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211648115U (en) |
-
2019
- 2019-11-21 CN CN201922034068.2U patent/CN211648115U/en active Active
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